From: Lou Berger <lberger@labn.net>
Date: Tue, 12 Jan 2016 18:41:47 +0000 (-0500)
Subject: lib: treat realloc of null pointer as alloc Now use zalloc rather than alloc with... 
X-Git-Tag: frr-2.0-rc1~693
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=1567811710eb000d41ade0b465fdf43c070aabc0;p=matthieu%2Ffrr.git

lib: treat realloc of null pointer as alloc Now use zalloc rather than alloc with null. Fixes issue seen in bgp check tests.

Signed-off-by: Lou Berger <lberger@labn.net>
(cherry picked from commit 9248b61f54955e56212f3ae4c8a7ab704f7ad01c)
---

diff --git a/lib/memory.c b/lib/memory.c
index 93ff702ca0..8e1f41d7f3 100644
--- a/lib/memory.c
+++ b/lib/memory.c
@@ -108,6 +108,9 @@ zrealloc (int type, void *ptr, size_t size)
 {
   void *memory;
 
+  if (ptr == NULL)              /* is really alloc */
+      return zcalloc(type, size);
+
   memory = realloc (ptr, size);
   if (memory == NULL)
     zerror ("realloc", type, size);